Honestly, reading textbooks can be so exhausting, all those graphs, all those diagrams, and facts. Hmm, no wonder toddlers always find it difficult to keep focus in school.

Although it appears like they are written by robots, but a rogue bunch of authors has taken it upon themselves to inject a degree of hilarity into these otherwise dry publications.

Take your time to glance through this list to see what we mean. Part of them happened to be approved officially, while some seem to be hidden where they are hard to be found. But in all, they will all put a big smile on your face.

#1 I Better Study This

zeldaman

#2 Chernobyl Textbook

ev1ltje

#3 Saw This In High School Sex Ed

jrrees

#4 Discovered This In My Kid Brother’s Textbook

jaytee2400

#5 Tiger Has Witnessed A Lot Of Horrible Things In Prison

NoceboHada

#6 Saw This In My Physics Textbook

aarwynn

#7 Chemistry Humor

henrythecoolcat

#8 In A Pal Biology Textbook

R4ndomosity

#9 Here’s An Interesting Question

Distroyer32

#10 Little Joke In My Psychology Textbook

ismo420

#11 Unseen Man

gbCerberus

#12 Something Strange In My Engineering Textbook

reddit.com

#13 I Saw This In My Web Design Textbook

to__blave

#14 This Is On The First Page Of My Stats Textbook

scottg96

#15 I Found This At The Back Of A Textbook

dominicjames

#16 This Child Calls A Girl And Ask Her For Her Phone Number In My Spanish Textbook

reddit.com

#17 Wait A Second

aereeve

#18 Concealed Gem At The Back Of The Textbook

bjester

#19 The Second Safest Way To Travel (Fire)

ViolentMasturbator

#20 Here In My Economics Textbook

The_Anonymonster

#21 Explaining Colours And Forgetting It’s In Black And White

joshcoles

#22 This Textbook Says The Truth

AesSedai

#23 This Was At The Back Of My Textbook

sweetlemon1025

#24 This Shows The Best Textbook Pics

imgur.com

#25 A Lady Saying “Hello” In Fresh To A Pair In A Bush

#26 I See What You Did There, Biology Textbook

Codexlibero

#27 Inside a chemistry book, Julie has a wish

olster1